We know your inbox is probably flooded with emails about COVID-19. Internet is overwhelmed with this topic but we feel it is important to let you know about the crucial steps RSS Ground team has taken to ensure our employees’ continued safety through this pandemic and reassure you there is no interruption to your service. […]

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Democratic presidential nominee Joe Biden said that President Trump does bear some responsibility for catching COVID-19 last week due to his refusal of not taking social distancing guidelines and not wearing a mask seriously. “Look, anybody who contracts the virus by essentially saying, ‘masks don’t matter; social distancing doesn’t matter’ — I think is responsible […]

The post Biden: Trump Is ‘Responsible’ For Contracting Coronavirus appeared first on Hispolitica.

President Trump returned to the White House Monday evening after spending three-day being treated for COVID-19 at Walter Reed National Military Center, released an upbeat video message telling Americans not to be afraid of the virus. “One thing that’s for certain — Don’t let it dominate you,” Trump said in a one-minute long video filmed […]

The post Trump On Coronavirus: ‘Don’t Let It Dominate You, Don’t Be Afraid Of It’ appeared first on Hispolitica.

Biden campaign surrogate and actress Jane Fonda on Wednesday called the coronavirus “God’s gift to the left.” She described the coronavirus pandemic as an “existential crossroads” that can “help determine which way humanity” can go in addressing progressive issues like climate change. “What a great gift, what a tremendous opportunity, we are so lucky, we have […]

The post Biden Surrogate Jane Fonda Says The Coronavirus Is ‘God Gift To The Left’ appeared first on Hispolitica.

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Webinar: Hong Kong: Dissent in the Age of Coronavirus 17 April 2020 — 12:00PM TO 1:00PM Anonymous (not verified) 8 April 2020

Street protests demanding greater autonomy and democratization in Hong Kong upended the city for seven months last year. However, with the outbreak of the coronavirus in China in late January, the protests quickly died out. What does this mean for the city’s protest movement?

The speaker will argue that, despite the lack of high-profile street rallies, protest in the city is continuing. It is building on and evolving from last year’s protest movement albeit in different forms. At the same time, the Hong Kong authorities, emboldened by a hard line from Beijing, have begun cracking down on activists and protesters in the city as they seek to put a lid on dissent ahead of important Legislative Council elections scheduled for this September.

In this webinar, the speaker will look at the current state of dissent in Hong Kong and prospects for Hong Kong’s future.

This event will be held on the record.

Knockout mouse models have been extensively used to study the antiviral activity of IFIT (interferon-induced protein with tetratricopeptide repeats). Human IFIT1 binds to cap0 (m7GpppN) RNA, which lacks methylation on the first and second cap-proximal nucleotides (cap1, m7GpppNm, and cap2, m7GpppNmNm, respectively). These modifications are signatures of “self” in higher eukaryotes, whereas unmodified cap0-RNA is recognized as foreign and, therefore, potentially harmful to the host cell. IFIT1 inhibits translation at the initiation stage by competing with the cap-binding initiation factor complex, eIF4F, restricting infection by certain viruses that possess “nonself” cap0-mRNAs. However, in mice and other rodents, the IFIT1 orthologue has been lost, and the closely related Ifit1b has been duplicated twice, yielding three paralogues: Ifit1, Ifit1b, and Ifit1c. Although murine Ifit1 is similar to human IFIT1 in its cap0-RNA–binding selectivity, the roles of Ifit1b and Ifit1c are unknown. Here, we found that Ifit1b preferentially binds to cap1-RNA, whereas binding is much weaker to cap0- and cap2-RNA. In murine cells, we show that Ifit1b can modulate host translation and restrict WT mouse coronavirus infection. We found that Ifit1c acts as a stimulatory cofactor for both Ifit1 and Ifit1b, promoting their translation inhibition. In this way, Ifit1c acts in an analogous fashion to human IFIT3, which is a cofactor to human IFIT1. This work clarifies similarities and differences between the human and murine IFIT families to facilitate better design and interpretation of mouse models of human infection and sheds light on the evolutionary plasticity of the IFIT family.

Poly(ADP-ribose) polymerase (PARP) superfamily members covalently link either a single ADP-ribose (ADPR) or a chain of ADPR units to proteins using NAD as the source of ADPR. Although the well-known poly(ADP-ribosylating) (PARylating) PARPs primarily function in the DNA damage response, many noncanonical mono(ADP-ribosylating) (MARylating) PARPs are associated with cellular antiviral responses. We recently demonstrated robust up-regulation of several PARPs following infection with murine hepatitis virus (MHV), a model coronavirus. Here we show that SARS-CoV-2 infection strikingly up-regulates MARylating PARPs and induces the expression of genes encoding enzymes for salvage NAD synthesis from nicotinamide (NAM) and nicotinamide riboside (NR), while down-regulating other NAD biosynthetic pathways. We show that overexpression of PARP10 is sufficient to depress cellular NAD and that the activities of the transcriptionally induced enzymes PARP7, PARP10, PARP12 and PARP14 are limited by cellular NAD and can be enhanced by pharmacological activation of NAD synthesis. We further demonstrate that infection with MHV induces a severe attack on host cell NAD+ and NADP+. Finally, we show that NAMPT activation, NAM, and NR dramatically decrease the replication of an MHV that is sensitive to PARP activity. These data suggest that the antiviral activities of noncanonical PARP isozyme activities are limited by the availability of NAD and that nutritional and pharmacological interventions to enhance NAD levels may boost innate immunity to coronaviruses.

Mendelian randomization (MR) of lipid traits in coronary artery disease (CAD) has provided evidence for causal associations of low-density lipoprotein cholesterol (LDL-C) and triglycerides (TG) in CAD, but many lipid trait genetic variants have pleiotropic effects on other cardiovascular risk factors that may bias MR associations. The goal of this study was to evaluate pleiotropic effects of lipid trait genetic variants and to account for these effects in MR of lipid traits in CAD. We performed multivariable MR using inverse variance-weighted (IVW) and MR-Egger methods in large (n ≥ 300,000) GWAS datasets. We found that 30% of lipid trait genetic variants have effects on metabolic syndrome traits, including body mass index (BMI), type 2 diabetes (T2D), and systolic blood pressure (SBP). Nonetheless, in multivariable MR analysis, LDL-C, high-density lipoprotein cholesterol (HDL-C), TG, BMI, T2D, and SBP are independently associated with CAD, and each of these associations is robust to adjustment for directional pleiotropy. MR at loci linked to direct effects on HDL-C and TG suggests locus- and mechanism-specific causal effects of these factors on CAD.

TG-rich lipoprotein (TRL)-related biomarkers, including TRL-cholesterol (TRL-C), remnant-like lipoprotein particle-cholesterol (RLP-C), and apoC-III have been associated with atherosclerosis. However, their prognostic values have not been fully determined, especially in patients with previous CAD. This study aimed to examine the associations of TRL-C, RLP-C, and apoC-III with incident cardiovascular events (CVEs) in the setting of secondary prevention of CAD. Plasma TRL-C, RLP-C, and total apoC-III were directly measured. A total of 4,355 participants with angiographically confirmed CAD were followed up for the occurrence of CVEs. During a median follow-up period of 5.1 years (interquartile range: 3.9–6.4 years), 543 (12.5%) events occurred. Patients with incident CVEs had significantly higher levels of TRL-C, RLP-C, and apoC-III than those without events. Multivariable Cox analysis indicated that a log unit increase in TRL-C, RLP-C, and apoC-III increased the risk of CVEs by 49% (95% CI: 1.16–1.93), 21% (95% CI: 1.09–1.35), and 40% (95% CI: 1.11–1.77), respectively. High TRL-C, RLP-C, and apoC-III were also independent predictors of CVEs in individuals with LDL-C levels ≤1.8 mmol/l (n = 1,068). The addition of RLP-C level to a prediction model resulted in a significant increase in discrimination, and all three TRL biomarkers improved risk reclassification. Thus, TRL-C, RLP-C, and apoC-III levels were independently associated with incident CVEs in Chinese CAD patients undergoing statin therapy.

Zimbabwe's Economy During the Coronavirus Pandemic and Beyond 8 September 2020 — 10:00AM TO 11:30AM Anonymous (not verified) 26 August 2020

COVID-19 has had a devastating effect on Zimbabwe’s already floundering economy. Important foreign currency earning industries have virtually stopped, and across the country livelihoods are at risk and an increasing number of people are reliant on government grants.

Businesses are having to become more flexible but are constrained by a weak policy environment and lack of confidence in the economy. Since 2017, the government has been pursuing an economic reform agenda and Transitional Stabilization Programme (TSP), which was scheduled for completion by the end of 2020. The deepening challenges highlight the need to accelerate economic reform and build confidence in order to achieve sustainable and inclusive growth.

At this webinar, speakers discuss the measures that government, businesses, and individuals are adopting in response to the COVID-19 economic challenge, and the policies required for recovery.

Read a meeting summary

This webinar is held in partnership with the Konrad Adenauer Stiftung.

South Africa's Economic Reform and Employment in the Context of the Coronavirus Pandemic 3 September 2020 — 3:00PM TO 4:00PM Anonymous (not verified) 26 August 2020 Online

President of COSATU, Zingiswa Losi, discusses the organization’s priorities for protecting jobs and workers, and working with other stakeholders to build a sustainable post-pandemic economy.

Employment in South Africa fell by an estimated 18 per cent between February and April 2020. The measures imposed to control the spread of COVID-19 suffocated an already weak economy and unemployment has hit a new high.

The stated aims of the government’s economic reform plans include the support of job creation in labour intensive industries, but the reform of the state and rebalancing of the economy and fiscus could lead to further job losses in state agencies and enterprises.

Protecting jobs while ensuring the health and safety of workers are dual priorities, and require the joint commitment and ‘social compact’ of labour, business and government.

Schools must make the critical decision whether to reinforce the learning that students have already done this year or introduce new content.

Social distancing is forcing school business to be conducted virtually, putting school boards in the difficult spot of making crucial decisions on spending and other issues without the same level of public input.

"We have a responsibility to save lives," Ohio Gov. Mike DeWine said on Twitter. "We could have waited to close schools, but based on advice from health experts, this is the time to do it."

"In communities most devastated by COVID-19, academic achievement is pretty far down on the priority list—this is the reality," says Wyoming state chief Jillian Balow.

Schools may have to continue closures in the fall if the coronavirus resurges, state schools chiefs in Maryland and Washington said. The warnings came the same week thata key federal official predicted schools would be able to reopen for the 2020-21 school year.

School districts are competing against each other for purchases of digital devices as remote learning expands to schools across the country.

With many school buildings closed for the rest of the academic year—and more to follow—district leaders turn their attention to making up for what may be deep learning losses.

The momentum to raise teacher salaries in several states has ground to a halt amid fears of coronavirus’ massive economic blow.

Districts that can screen, interview, and select candidates virtually will have less disruption to their hiring, despite how coronavirus is upending every aspect of school operations.

With schools shut down, social distancing in place, and parents at home, after-school programs are laying off staff and switching gears to meet families' needs.

With many school buildings closed for the rest of the academic year—and more to follow—district leaders turn their attention to making up for what may be deep learning losses.

Spending millions to guard against COVID-19 spread, district leaders also must convince parents school buildings are safe.

Dez-Ann Romain, a Brooklyn principal, is believed to be the first full-time, front-line educator to die from COVID-19.

The days are a technology overload, mixed with the joy of seeing her students' faces and worry about her own family's health and safety, New York City teacher Ariel Sacks writes.

More than half of all states have ordered schools closed for multiple weeks to help slow the pandemic.

With many school buildings closed for the rest of the academic year—and more to follow—district leaders turn their attention to making up for what may be deep learning losses.